@inbook{Whitney,2001,
author = {Whitney, G.},
title = {Evaluating development coaching},
booktitle = {The Reflecting Glass: Professional Coaching for Leadership Development},
editor = {West, L. and Milan, M.},
year = {2001},
publisher = {Palgrave Macmillan},
language = {English},
url = {www.amazon.com/The-Reflecting-Glass-Professional-Development/dp/0333945298}
}